A drone downed by Turkey on Friday near the Syrian border was Russian-made, Turkey's prime minister said Monday, adding that it could have belonged to a "militia" fighting in Syria.

"It's Russian-made, but Russia has told us it doesn't belong to them," Prime Minister Ahmet Davutoglu said during a television interview, noting it could have belonged to Syrian government forces - to whom Russia supplies arms - or Kurdish armed groups in Syria, or "it could belong to a militia."